| abstract |
A method for compressing gases in a contained volume consisting of hollow glass microspheres (17). The gases are compressed under high pressure and can be easily handled and stored. The gases to be compressed and contained in the microspheres (17) are used as blowing gases (10) to blow the microspheres. The hollow glass microspheres (17) are made by forming a liquid film (12) of molten glass across a coaxial blowing nozzle, applying the blowing gas (10) at pressure on the inner surface of the glass film to blow the film and form an elongated cylinder shaped liquid film (12) of molten glass. A transverse jet (13) is used to direct an entraining fluid (14) over and around the blowing nozzle (5) at an angle to the axis of the blowing nozzle. The entraining fluid (14) as it passes over and around the blowing nozzle (5) fluid dynamically induces a pulsating or fluctuating pressure field at the opposite or lee side of the blowing nozzle in the wake or shadow of the coaxial blowing nozzle to form into a spherical shape (17). |